<template>
  <div class="upload-container">
    <el-button :style="{background:color,borderColor:color}" icon="el-icon-upload" size="mini" type="primary" @click=" dialogVisible=true">
      {{ $t('messageCenter.uploadImage') }}
    </el-button>
    <el-dialog :visible.sync="dialogVisible" append-to-body>
      <el-upload
        :multiple="true"
        :file-list="fileList"
        :show-file-list="true"
        :on-remove="handleRemove"
        :on-success="handleSuccess"
        :before-upload="beforeUpload"
        :http-request="toUploadFile"
        :headers="headers"
        class="editor-slide-upload"
        :action="actions"
        list-type="picture-card"
      >
        <el-button size="mini" type="primary">
          {{ $t('messageCenter.uploadImage') }}
        </el-button>
      </el-upload>
      <el-button @click="dialogVisible = false">
        {{ $t('permission.cancel') }}
      </el-button>
      <el-button type="primary" @click="handleSubmit">
        {{ $t('messageCenter.confirm') }}
      </el-button>
    </el-dialog>
  </div>
</template>

<script>
// import { getToken } from 'api/qiniu'
import { getToken } from '@/lib/auth';
import { api_Post_UploadFileAddHeader } from '@/extend/api/file';
export default {
  name: 'EditorSlideUpload',
  props: {
    color: {
      type: String,
      default: '#1890ff'
    }
  },
  data() {
    return {
      actions: `${WEB_CONFIG.VUE_APP_STATIC_FILE_RUL}/api/upload/image`,
      headers: {
        Authorization: 'Bearer ' + getToken()
      },
      dialogVisible: false,
      listObj: {},
      fileList: []
    };
  },
  methods: {
    checkAllSuccess() {
      return Object.keys(this.listObj).every(
        item => this.listObj[item].hasSuccess
      );
    },
    handleSubmit() {
      const arr = Object.keys(this.listObj).map(v => this.listObj[v]);
      if (!this.checkAllSuccess()) {
        this.$message(
          '请等待所有图像成功上载。如果出现网络问题，请取消重新上传图片!'
        );
        return;
      }
      this.$emit('successCBK', arr);
      this.listObj = {};
      this.fileList = [];
      this.dialogVisible = false;
    },
    handleSuccess(response, file) {
      const uid = file.uid;
      console.log(response);
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].url = this.getStaticPhotoUrl(
            response.tempUrl
          );
          this.listObj[objKeyArr[i]].hasSuccess = true;
          return;
        }
      }
    },
    // 获取静态文件
    getStaticPhotoUrl(relativeUrl) {
      return WEB_CONFIG.VUE_APP_STATIC_FILE_RUL + relativeUrl;
    },
    handleRemove(file) {
      const uid = file.uid;
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]];
          return;
        }
      }
    },
    beforeUpload(file) {
      const _self = this;
      const _URL = window.URL || window.webkitURL;
      const fileName = file.uid;
      this.file = file;
      this.listObj[fileName] = {};
      return new Promise((resolve, reject) => {
        const img = new Image();
        img.src = _URL.createObjectURL(file);
        img.onload = function() {
          _self.listObj[fileName] = {
            hasSuccess: false,
            uid: file.uid,
            width: this.width,
            height: this.height
          };
        };
        resolve(true);
      });
    },
    toUploadFile(file) {
      api_Post_UploadFileAddHeader(this.actions, file.file).then(
        res => {
          console.log(res);
          this.handleSuccess(res, file.file);
        },
        error => {
          console.log(error);
        }
      );
    }
  }
};
</script>

<style lang="scss" scoped>
.editor-slide-upload {
  margin-bottom: 20px;
  ::v-deep .el-upload--picture-card {
    width: 100%;
  }
}
</style>
